Mercurial > audio-send

     1 #+title: Steps to add a new Device to Open-AL

     2 #+author: Robert McIntyre

     3 #+email: rlm@mit.edu

     4 #+description: how to add a new device to open-al

     5 #+SETUPFILE: ../../aurellem/org/setup.org

     6 #+INCLUDE: ../../aurellem/org/level-0.org

     7 

     8 * In Alc/backends/<your-device>.c 

     9    

    10 #+begin_src C

    11 static const ALCchar <your-device>_device[] = <your-device-name>;

    12 

    13 ALCboolean alc_<your-device>_init(BackendFuncs *func_list)

    14 void alc_<your-device>_deinit(void)

    15   

    16 static ALCboolean <your-device>_open_playback

    17   (ALCdevice *device,const ALCchar *deviceName)

    18 static void <your-device>_close_playback(ALCdevice *device)

    19 static ALCboolean <your-device>_reset_playback(ALCdevice *device)

    20 static void <your-device>_stop_playback(ALCdevice *device)

    21 

    22 #+end_src

    23 

    24 #+begin_src C

    25 void alc_<your-device>_probe(enum DevProbe type)

    26 {

    27     switch(type)

    28     {

    29         case DEVICE_PROBE:

    30             AppendDeviceList(<your-device>Device);

    31             break;

    32         case ALL_DEVICE_PROBE:

    33             AppendAllDeviceList(<your-device>Device);

    34             break;

    35         case CAPTURE_DEVICE_PROBE:

    36             break;

    37     }

    38 }

    39 #+end_src

    40 

    41 #+begin_src C

    42 static const BackendFuncs <your-device>_funcs = {

    43     <your-device>_open_playback,

    44     <your-device>_close_playback,

    45     <your-device>_reset_playback,

    46     <your-device>_stop_playback,

    47     NULL,

    48     NULL,

    49     NULL,

    50     NULL,

    51     NULL,

    52     NULL

    53 };

    54 #+end_src

    55 

    56 

    57 * In OpenAL32/Include/alMain.h :

    58 

    59 #+begin_src C

    60 ALCboolean alc_<your-device>_init(BackendFuncs *func_list);

    61 void alc_<your-device>_deinit(void);

    62 void alc_<your-device>_probe(enum DevProbe type);

    63 

    64 #+end_src

    65   

    66 * In Alc/ALc.c :

    67  #+begin_src C

    68      { "<your-device>", alc_<your-device>_init, 

    69 	 alc_<your-device>_deinit, alc_<your-device>_probe, EmptyFuncs },

    70 

    71  #+end_src

    72 

    73 * In CMakeLists.txt

    74 #+begin_src cmake

    75 SET(ALC_OBJS  Alc/ALc.c

    76               Alc/ALu.c

    77               Alc/alcConfig.c

    78               Alc/alcDedicated.c

    79               Alc/alcEcho.c

    80               Alc/alcModulator.c

    81               Alc/alcReverb.c

    82               Alc/alcRing.c

    83               Alc/alcThread.c

    84               Alc/bs2b.c

    85               Alc/helpers.c

    86               Alc/hrtf.c

    87               Alc/mixer.c

    88               Alc/panning.c

    89               # Default backends, always available

    90               Alc/backends/loopback.c

    91               Alc/backends/null.c

    92 	      # : add <your-device> herex

    93 	      Alc/backends/<your-device>.c

    94 )

    95 #+end_src

    96 

    97 

    98 * In ~/.alsoftrc

    99 

   100 #+begin_src conf

   101 drivers = <your-device>

   102 #+end_src
author	Robert McIntyre <rlm@mit.edu>
date	Sat, 11 Feb 2012 12:25:55 -0700
parents	f9476ff7637e
children